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(11)

EP 1 856 231 A1

(12)

(43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 06723054.0 (22) Date of filing: 15.02.2006

(51) International Patent Classification (IPC):  C10G 27/00(2006.01) C10L 3/10(2006.01) C07C 319/24(2006.01) C10G 27/04(2006.01) B01J 27/199(2006.01) (86) International application number: PCT/EP2006/001443 (87) International publication number: WO 2006/094612 (14.09.2006 Gazette 2006/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 03.03.2005 IT MI20050032 (71) Applicants: ENI S.p.A. 00144 Roma (IT) ENITECNOLOGIE S.p.A. 20097 San Donato Milanese (MI) (IT)	(72) Inventors: DE ANGELIS, Alberto I-20025 Legnano (IT) POLLESEL, Paolo I-20097 San Donato Milanese (IT) (74) Representative: De Gregori, Antonella et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo 10 20121 Milano 20121 Milano (IT)